📅 MIT Science Bowl 2022🎓 HS🔄 Round 6#️⃣ Question 18🌟 BONUS✍️ Short Answer
A 2 kilogram mass traveling at 7 meters per second elastically collides with a stationary 5 kilogram mass and rebounds in the opposite direction. In meters per second, what is the final speed of the 2 kilogram mass?
✔️Answer:3
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